Hubbell HD - Page 13

13
Wiring Chart (cont.)
kW Volt Ph
Unit
Amp
Draw
Branch
Amp
Draw
Phase-
Phase
Resistance
(Ohms)
Min.
Feed
Breaker
or Fuse
Size
Internal
Power
Wire
Size
Element
Jumper
Wire
Size
Copper
Power Feed
Wire Size
Conduit
Size
Diagram
208 1 72.1 72.1 2.9 95 6 8 3 1" 4 (DB)-HD
208 3 41.6 41.6 5.8 55 10 12 6 ¾" 10(NT)-HD
240 1 62.5 62.5 3.8 80 8 10 4 1" 4-HD
240 3 36.1 36.1 7.7 50 10 12 8 ½" 10(NT)-HD
380 3 22.9 22.9 19.3 30 12 12 8 ½" 10(WT)-HD
480 3 18.0 18.0 30.7 25 12 12 10 ½" 10(WT)-HD
600 3 16.0 16.0 43.3 20 12 12 12 ½" 14-HD
208 1 86.5 86.5 2.4 110 6 8 2 1" 4 (DB)-HD
208 3 50.0 50.0 4.8 65 8 10 6 ¾" 10(NT)-HD
240 1 75.0 75.0 3.2 95 6 8 3 1" 4 (DB)-HD
240 3 43.3 43.3 6.4 55 10 12 6 ¾" 10(NT)-HD
380 3 27.9 27.9 16.0 35 12 12 8 ½" 10(WT)-HD
480 3 21.7 21.7 25.6 30 12 12 10 ½" 10(WT)-HD
600 3 18.1 18.1 38.3 25 12 12 12 ½" 14-HD
208 1 115.4 38.5 1.8 145 10 12 1/0 1¼" 3A-HD
208 3 66.6 66.6 3.6 85 8 10 4 1" 13(NT)-HD
240 1 100.0 33.3 2.4 130 12 12 1 1¼" 3A-HD
240 3 57.7 57.7 4.8 75 8 10 4 1" 13(NT)-HD
380 3 37.1 37.1 12.0 50 10 12 6 ¾" 13(WT)-HD
480 3 28.9 28.9 19.2 40 12 12 8 ½" 13(WT)-HD
600 3 22.6 22.6 30.6 30 12 12 10 ½" 15-HD
208 1 130.0 43.3 1.6 165 10 12 2/0 1½" 6A-HD
208 3 74.9 37.5 3.2 95 10 12 3 1" 12(NCB)-HD
240 1 112.5 37.5 2.1 145 10 12 1/0 1¼" 3A-HD
240 3 65.0 65.0 4.3 85 8 10 4 1" 13(NT)-HD
380 3 42.9 42.9 10.7 55 10 12 6 ¾" 13(WT)-HD
480 3 32.5 32.5 17.1 45 12 12 8 ½" 13(WT)-HD
600 3 27.2 27.2 25.5 35 12 12 8 ½" 15-HD
208 1 144.2 48.1 1.4 185 8 10 3/0 1½" 6A-HD
208 3 83.3 41.6 2.9 105 10 12 2 1" 12(NCB)-HD
240 1 125.0 41.7 1.9 160 10 12 2/0 1½" 6A-HD
240 3 72.2 36.1 3.8 95 10 12 3 1" 12(NCB)-HD
380 3 45.7 45.7 9.6 60 10 12 4 1" 13(WT)-HD
480 3 36.1 36.1 15.4 50 10 12 8 ½" 13(WT)-HD
600 3 29.4 29.4 23.6 40 12 12 8 ½" 15-HD
208 1 173.1 57.7 1.2 220 8 10 4/0 2" 6A-HD
208 3 99.9 50.0 2.4 125 8 10 1 1¼" 12(NCB)-HD
240 1 150.0 50.0 1.6 190 8 10 3/0 1½" 6A-HD
240 3 86.6 43.3 3.2 110 10 12 2 1" 12(NCB)-HD
380 3 55.7 55.7 8.0 70 8 10 3 1" 13(WT)-HD
480 3 43.3 43.3 12.8 55 10 12 6 ¾" 13(WT)-HD
600 3 36.2 36.2 19.1 50 10 12 8 ½" 15-HD
208 1 187.5 62.5 1.1 235 8 10 250 2" 6A-HD
208 3 108.3 54.1 2.2 140 8 10 1/0 1¼" 12(NCB)-HD
240 1 162.5 54.2 1.5 205 8 10 4/0 1½" 6A-HD
240 3 93.8 46.9 3.0 120 10 12 1 1" 12(NCB)-HD
380 3 60.8 60.8 7.4 80 8 10 3 1" 13(WT)-HD
480 3 46.9 46.9 11.8 60 8 10 6 ¾" 13(WT)-HD
600 3 36.2 36.2 19.1 50 10 12 8 ¾" 15-HD
24
27
30
36
39
15
18